﻿// import { ImageCompressor } from 'image-compressor';
//文件大小转换,kb->mb
export function converSize(limit: number): string {
  let size: string = '';
  if (limit < 0.1 * 1024) {                            //小于0.1KB，则转化成B
    size = limit.toFixed(2) + "B";
  } else if (limit < 0.1 * 1024 * 1024) {            //小于0.1MB，则转化成KB
    size = (limit / 1024).toFixed(2) + "KB";
  } else if (limit < 0.1 * 1024 * 1024 * 1024) {        //小于0.1GB，则转化成MB
    size = (limit / (1024 * 1024)).toFixed(2) + "MB";
  } else {                                            //其他转化成GB
    size = (limit / (1024 * 1024 * 1024)).toFixed(2) + "GB";
  }

  var sizeStr = size + "";                        //转成字符串
  var index = sizeStr.indexOf(".");                    //获取小数点处的索引
  var dou = sizeStr.substr(index + 1, 2);            //获取小数点后两位的值
  if (dou === "00") {                                //判断后两位是否为00，如果是则删除00               
    return sizeStr.substring(0, index) + sizeStr.substr(index + 3, 2);
  }
  return size;
}